Milton (ON) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Milton.

Current conditions Milton –  

Climate overview of Milton

The climate in Milton, Ontario, Canada, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to 0°C (32°F) in January.

Milton sees a moderate amount of rain/snowfall, totalling around 944 mm (37 in) per year. It experiences warm summers and very cold winters, creating some seasonal variation. July is the sunniest month, averaging 9.8 hours of sunshine per day.

Milton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Milton - and find the best time to visit.

Monthly Temperature in Milton

In Milton, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.

At night, you can expect temperatures ranging from 17°C (63°F) in July to around -9°C (16°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Milton

On average, Milton receives a reasonable amount of rain/snowfall, with an annual precipitation of 944 mm (37 in). Year-round, Milton has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 92 mm (3.6 in), and the driest month, February, with 65 mm (2.6 in), is minimal. For more details, please visit our Milton Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Milton

Seasonal changes in sunshine hours are quite dramatic in Milton. While July receives considerable daily sunshine with up to 9.8 hours, January marks the darkest time of the year, where sunshine is scarce with only 2.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Mississauga, Canada (20 KM, 13 Miles).

Daily hours of sunshine

Data from: Mississauga, Canada (20 KM, 13 Miles).

Humidity in Milton by Month

Best Time to Visit Milton

The most comfortable overall weather for exploring Milton is usually found in June, July, August and September. Conditions are generally least comfortable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -9°C (16°F).

Frequently asked questions about the climate in Milton

What is the best time to visit Milton?

June, July, August and September typically offer the most optimal weather in Milton. In contrast, January, February, March, November and December tend to have less optimal conditions. Milton has warm summers and very cold winters.

What temperatures can I expect in Milton?

Daytime highs range from 0°C (32°F) in January to 27°C (81°F) in July. Nighttime lows range from -9°C (16°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Milton get?

Annual rainfall is around 944 mm (37 in). June is the wettest month with 92 mm (3.6 in), while February is the driest with 65 mm (2.6 in).

How sunny is Milton?

Milton receives around 2,184 hours of sunshine per year. July is the sunniest month with 295 hours, while January is the cloudiest with just 78 hours. Overall, Milton enjoys abundant sunshine.

Milton 3-Day Forecast

Milton on the map

Milton is highlighted - select any city to see its climate.

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